142786740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139987}}^1$

素因数の和:140016

約数の個数: 48

約数和(自身を含む): 423323712

約数和(自身を除く): 280536972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 139987, 279974, 419961, 559948, 699935, 839922, 1399870, 1679844, 2099805, 2379779, 2799740, 4199610, 4759558, 7139337, 8399220, 9519116, 11898895, 14278674, 23797790, 28557348, 35696685, 47595580, 71393370, 142786740]

約数ペア:

[(1, 142786740), (2, 71393370), (3, 47595580), (4, 35696685), (5, 28557348), (6, 23797790), (10, 14278674), (12, 11898895), (15, 9519116), (17, 8399220), (20, 7139337), (30, 4759558), (34, 4199610), (51, 2799740), (60, 2379779), (68, 2099805), (85, 1679844), (102, 1399870), (170, 839922), (204, 699935), (255, 559948), (340, 419961), (510, 279974), (1020, 139987)]